Odpowiedzi

2009-11-21T21:54:13+01:00
P=16,4 kW=16.4⋅103W
I=4A
Δt=2.1h=2.1⋅60⋅60 s=7560s
P=W/Δt
W=P⋅Δt
U=P/I
P=U⋅I
W=U⋅I⋅Δt ∣: IΔt
W/IΔt=U
U=(16.4⋅103W)/(4A⋅7560s)
U=0.54V